Table 2.

Prior reports of IMN in pediatric patients: a comparative review

Author, Year	N	Follow-up Period (yr)	Mean Age at Presentation (yr)	Age Range	M:F	Nephrotic at Presentation (%)	↓ GFR at last F/U (%)	HTN at last F/U (%)	Estimated Occurrence Rate (%)
Habib et al., 1973	50	1–10	NA	8 mo-14 yr	38:12	62	10	NA	3.7
Trainin et al., 1976	14	5.5	9	2–15 yr	6:8	79	29	NA	6.7
Ramirez et al., 1982	22	4.7	12	11 mo-19.9 yr	11:11	77	37	NA	5.7
Latham et al., 1982	14	6.4	10.5	3.5–14	9:5	79	21	NA	1.3
Tsukahara et al., 1993	12	5.9	7.7	2.9–15.8 yr	8:4	25	0	0	3
Obana et al., 2006	38	7.5 (SMGN); 12.4 (GMGN)	7.6	1.5–16 yr	25:13	24	0	5%	2.4
Lee et al., 2006	19	28.5	9.5	1.7–14.9	9:10	89.5	15	NA	1
Current study	13	3.5	9.6	4–17 yr	6:7	38	23	54%	2.8

Abbreviations: GMGN, global membranous glomerulonephritis; HTN, hypertension; NA, not available; SMGN, segmental membranous glomerulonephritis